<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <link rel="stylesheet" href="bootstrap-5.3.0-dist/css/bootstrap.min.css">
</head>
<body>
  <button type="button" class="btn btn-primary">主要按钮</button>
  <button type="button" class="btn btn-secondary">次要按钮</button>
  <button type="button" class="btn btn-success">成功按钮</button>
  <button type="button" class="btn btn-danger">危险按钮</button>
  <button type="button" class="btn btn-warning">警示按钮</button>
  <button type="button" class="btn btn-info">信息按钮</button>
  <button type="button" class="btn btn-light">亮色按钮</button>
  <button type="button" class="btn btn-dark">暗色按钮</button>
  <button type="button" class="btn btn-link">链接按钮</button>
</body>
</html>